/**
 * Supported types of content to encrypt for {@link ProtectPDFJob}
 */
export declare enum ContentEncryption {
    /**
     * Encrypts all the content of the PDF file
     */
    ALL_CONTENT = "ALL_CONTENT",
    /**
     * Encrypts all the content except the metadata of the PDF file
     */
    ALL_CONTENT_EXCEPT_METADATA = "ALL_CONTENT_EXCEPT_METADATA",
    /**
     * Encrypts only embedded files
     */
    ONLY_EMBEDDED_FILES = "ONLY_EMBEDDED_FILES"
}